Abstract
Purpose
Chronic lung allograft dysfunction (CLAD) is a known long-term fatal disorder after lung transplantation. In this study, we evaluated the CLAD classification of the International Society for Heart and Lung Transplantation (ISHLT) for living-donor lobar lung transplantation (LDLLT).
Methods
We conducted a single-center retrospective review of data from 73 patients who underwent bilateral LDLLT between 1998 and 2019. Factors related to opacity on computed tomography (CT) and restriction on pulmonary function tests (PFTs) were also analyzed.
Results
Overall, 26 (36%) patients were diagnosed with CLAD, including restrictive allograft syndrome (RAS), n = 10 (38.5%); bronchiolitis obliterans syndrome (BOS), n = 8 (30.8%); mixed, n = 1 (3.8%); undefined, n = 2 (7.7%); and unclassified, n = 5 (19.2%). The 5-year survival rate after the CLAD onset was 60.7%. The survival of patients with BOS was significantly better than that of patients with RAS (p = 0.012). In particular, patients with restriction on PFT had a significantly worse survival than those without restriction (p = 0.001).
Conclusions
CLAD after bilateral LDLLT does not have a major impact on the recipient survival, especially in patients with BOS. Restriction on PFT may predict a particularly poor prognosis in patients with CLAD after bilateral LDLLT.
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We would like to thank Editage (www.editage.com) for the English language editing.
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Participated in research design: KM, SO, SS, Participated in the writing of the paper: KM, SO, KS, KS, KM, HY, MO, ST, Participated in the performance of the research: KM, SO, HY, Participated in the data analysis: KM, SO, KH, ST.
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Matsubara, K., Otani, S., Yamamoto, H. et al. Restrictive allograft dysfunction rather than bronchiolitis obliterans syndrome had a major impact on the overall survival after living-donor lobar lung transplantation. Surg Today 54, 317–324 (2024). https://doi.org/10.1007/s00595-023-02729-2
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DOI: https://doi.org/10.1007/s00595-023-02729-2